National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

A Few Clouds

45°F

7°C

Humidity 81%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 2 Jan 11:55 pm EST
Extended Forecast for

Clayton NC

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Light north wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 8am. High near 42. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 31. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 52. Calm wind becoming north around 6 mph in the morning.

    High: 52 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Light north wind.
Saturday
Rain, mainly after 8am. High near 42. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 31. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 52. Calm wind becoming north around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly cloudy, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton NC
 35.64°N 78.45°W (Elev. 299 ft)
Last Update:
6:38 pm EST Jan 2, 2026
Forecast Valid:
12am EST Jan 3, 2026-6pm EST Jan 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation